Weather , Fossils, seasons Grade 3

What are fossils?

• dishes people used a long time ago

• paintings of animals that lived a long time ago

• remains or traces of an animal that lived long ago   

• none

Archaeologists conduct digs to uncover fossils. 

• true

• false

• none

• none

What happens after a forest fire? 

• There is more space for new plants

• Trees burn down.

• c.      There is more space for new plants

• ALL THE 3 ARE RIGHT

2.      People change ecosystems more than other organisms do. 

• True

• false

• none

• none

There is too much water during a drought.                      

• true

• false

Many different habitats make up an

• habitat

• eco system

_______can cause dramatic changes is an ecosystem

• tiger

• Natural events

 

 

Wind Vane is used measure

• wind direction

• temperature

_______     is a tool launched into the air by scientists to predict weather.

• weather balloon

• snow

• barometer

______ is made of ice crystals

• snow

• ice